| Fort Thomas to Dover (New Hampshire) | 759.83 mi (1,222.83 km) |
| Fort Thomas to Dover (New Jersey) | 538.03 mi (865.88 km) |
| Fort Thomas to Dover (Ohio) | 186.83 mi (300.68 km) |
| Fort Thomas to Downers Grove (Illinois) | 265.17 mi (426.75 km) |
| Fort Thomas to Downey (California) | 1,892.61 mi (3,045.86 km) |
| Fort Thomas to Dranesville (Virginia) | 380.04 mi (611.62 km) |
| Fort Thomas to Draper (Utah) | 1,452.63 mi (2,337.78 km) |
| Fort Thomas to Drexel Heights (Arizona) | 1,562.28 mi (2,514.25 km) |
| Fort Thomas to Drexel Hill (Pennsylvania) | 491.08 mi (790.31 km) |
| Fort Thomas to Duarte (California) | 1,877.53 mi (3,021.59 km) |
| Fort Thomas to Dublin (California) | 2,015.40 mi (3,243.47 km) |
| Fort Thomas to Dublin (Georgia) | 460.12 mi (740.50 km) |
| Fort Thomas to Dublin (Ohio) | 99.56 mi (160.23 km) |
| Fort Thomas to Dubuque (Iowa) | 403.44 mi (649.27 km) |
| Fort Thomas to Duluth (Georgia) | 351.04 mi (564.94 km) |
